<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"
        name="viewport">
  <meta content="ie=edge" http-equiv="X-UA-Compatible">
  <title>Document</title>

  <script defer src="https://unpkg.com/alpinejs@3.x.x/dist/cdn.min.js"></script>
</head>
<body>
<div x-data="{ title: 'Hello' }">
  <button x-text="title"
          @click="
                     title = 'Hello World!';
                     $nextTick(() => console.log($el.innerText))
            "></button>
</div>

<div x-data="{ title: 'Hello' }">
  <button
    x-text="title"
    @click="
            title = 'Hello World!';
            await $nextTick();
            console.log($el.innerText);
        "
  ></button>
</div>
</body>
</html>